//package cn.itcat.getway;
//
//import org.springframework.cloud.gateway.filter.GatewayFilterChain;
//import org.springframework.cloud.gateway.filter.GlobalFilter;
//import org.springframework.core.Ordered;
//import org.springframework.http.HttpStatus;
//import org.springframework.http.server.reactive.ServerHttpRequest;
//import org.springframework.stereotype.Component;
//import org.springframework.util.MultiValueMap;
//import org.springframework.web.server.ServerWebExchange;
//import reactor.core.publisher.Mono;
//
////@Order(-1) //过滤去顺序，值越小优先级越高
//@Component
//public class AuthorizationFilter implements GlobalFilter, Ordered {
//    @Override
//    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
//        //1,获取请求参数
//        ServerHttpRequest request = exchange.getRequest();
//        //2，获取参数中的authorization 参数
//        MultiValueMap<String, String> params = request.getQueryParams();
//        //3，判断参数是否等于admin
//        String auth = params.getFirst("authorization");
//        if("admin".equals(auth)){
//            //4，是，放行
//            return chain.filter(exchange);
//        }
//        //5.否，拦截
//        //5.1 设置状态吗
//        exchange.getResponse().setStatusCode(HttpStatus.UNAUTHORIZED);
//        //5.2 拦截请求
//        return exchange.getResponse().setComplete();
//    }
//
//    @Override
//    public int getOrder() {
//        return -1;
//    }
//}
